Atomizer and method of atomizing



Jan. 9, 192s. 1,441,411., E. B. FAVHNESTOCK. A y

AT'ONHZER AND METHOD 0F ATOMIZING.

FILED SEPT. 26.1917. l 2 SHEETS-SHEET z.

llllllll VIII/11111.

Patented Jan. 9, 1923.

:unirse sa" aras raar orties.

- ERNEST B. FAHNESTOCK, I01?' PLANDOME, NEW YORK; EDITH MARY '.l'OItDANLND FRANCES HODGSON BURNETT, BOTH OF PLANDOME, NEW YORK,KEXELCUTORS OF SAID ERNEST B. FAHNESTOCK, DECEASED; y

ATOMIZE AND METHOD -OF ATOMIZING.

Application filed September 26, 1917. Serial No. 193,335. i

ToaZZ w wfm, it may concern Be it known that I.4 ERNns'r B. F AHNE-y STOCK, a citizen of the United States of Amerlca, and a resident of lPlandomen Nassau County', and State of New York, havev invented certain new and useful Improvementsin Atoinizersand Methods of tomizfor this purpose and furthermore to provide a new method of atomizing.

`Anotherv object is to 4providela device and a method Vfor, breaking. a liquid into an eX* ceedingly fine spray, mist .or vapor. .I have discoveredV 1that when a porous body or a body having capillary characteristics, holds 'a liquid` such'as. gasoline or Akerosene, if another member such as a piece of perforated sheetvmetal7 is rubbed against such .a body, the liquid comes off from thev ,y bodykvin mostminutelydivided particles. I have also'discoveredy thata liquid may be thrown off from a resilient element in the form of a; fine mist. or vapor by sudden vspringing of such an element. I propose to usethese Vprinciples for the construction of atomizerssand, for.. providingmy newand useful methods of -atomlzing Inforder thatthis invention 'may be understoodI will now` describe the same inf-the.k c following. specification, and then point out .the novel vfeatures thereoflv appendedclaims.vk f n f elferring to the drawings:

Figure 1 is 'a vfront elevation 4.of a simple form jrof*atomizer whichy embodies my invention. i'

Figure2kis. a side elevation partlyin section, of. thek ysamev device.

.Figure Slis front elevationr'of a modified formL of: disq-fone of the. parts shown vin the Weed-.111gfefures.

Figure 4 is fa sectional side. elevation of a Piliof an atomizer of somewhat differentv construction, k which also embodies. my. invention.V i i Figure 5 is a rear elevation 4of the cover ,platefof the. apparatus shown in Figure 4.

1 F-igureeis-a sectional plan view of appart ofv the cover plate of F igureg., drawn ona larger scale to more clearly show its construction. The section of this figure is taken on theline64-6 of Figure 5.

Figure7 is la view corresponding to Fig- Lire 6, showing a modiied form of construcion.

` Figure 8, is ay sectional side elevation of a still further modified form-of construction rwhich is also an embodiment of this invention. Figure 9 is a frontelevation ofthe rotating plate of the atomizershown ,in Figure 8.

Figure 10 is a sectional side-elevation of an atomizer which embodies my, invention,

constructed andiarranged still differently.

Figure 11 isa sectional front elevation of the apparatus shown in Figure 10, the secl p perforated sheet metal, held. overv the front end ofthe casing 11 by a ring 15 ythreaded ontothe casing. At the other end lofthe casing. is a'screw-threadedboss 16, in axial alignment with they borelSin which is supported anA adjusting member v 17. This forms a bearing for a shaft'20.f i

The shaft 2O holdsvv at'l its. forward end a vplate 21 to which is affixed a circular pad 22 of porousr material such as wool felt. 23r is 5a', spring which bears against the .plate 21.

and against a washer 24` at the end of the adjusting member A17 Q This. spring forces thepad 2 2 againstthe disc 14.l The other end of the shaft 20 is connected with the shaft of. a motor 25 by a coupling 26. i

27 .is a liquid supply pipe.L 28 is a regulatino' valve ,thereinr7` and 29 a sightfeed ytion being taken on theline 11-11`off the aoI valve 29, adjusting the spring pressure byturning the adjusting member 17, `0r by varying the rate of rotation of the motor by a rheostat A.

The disc 14A shown in Figure 3 is like .that shown in Figure 2, except that it is provided with radially disposed slots 18 instead of circular perforations. lts function is similar to that shown in the preceding figures. It is only necessary that the `menibers be perforated or provided with apertures of some shape, and it is obvious that a woven wire screen can be used if de1 sired.

"In the device shown in Figures 4, 5 and 6 there is a cover plate 30 over the front end of the casingfll which closes this end of the casing except at the center where an outlet 3l. is provided. The inner surface ofthis cover` plate is constructed with radially disposed grooves 32 which connect with and run outwardly from theoutlet opening 31.

l In this 'case the pad 22'is pressed against the inner surface of the cover plate and rotated over. it., The 4spray or mist produced passes out through the orifice 31.y

Instead of grooves, the inner surface of the cover platemay be yconstructed with inwardly projecting ribs 33 as shown in 'Figure 7 in which the cover plate is designated by A.

yIt is not necessary to impart motion to i the pad and in Figures 8 and 9, an atomizer `is shown in which the pad. is stationary.z In this kstructure the ypad is designated by 22A. 40 is a stationary casing in which the pad is supported. Its `lower part forms a reservoir 41 into which the pad extends and' which'may be filled through an open` ing 42. 43 is an outletfor the atomized spray. yThe rear end of the casing is closed by a cover plate 45 which has an internally threaded'boss 45. 46 is an adjusting member which forms a bearing for a 4rotary shaft 47 and an abutment for aspring 48.

up to the surface over which` the vribs are" On the inner end of the shaft isa rotary" 1plate 49 which is provided with radially, disposed lribs 33A like those shown in Figure 7 which are pressed against and moved y over a surface of the pad 22A.'

In this case thecapillary action'of the pad is depended upon to bring the liquid moved., This liquid is atomized'by the ro- .tationfofthe plate 49 andy passes out' in minutely divided particles .through the disY charge orifice 431 ln Figure l0, 50 is a cylindrical per forate shell held between brackets 51-52 which are aiiixed to thebase 1Q and held together by bolts These brackets close the ends of the shell. A hollow shaft 54 is rotatively supported. in rbearings in the brackets:51-52 and connected. by a coupling 26 with a motor 25, the speed of which may be controlled by a rheostat 25A.

On the shaft between the brackets is a hub 55 to which wires or other fibres of a brush 56 are connected. These are of such length that the periphery of the brush is in contact with the inner surface of the shell 50.

The shaft 54 'and hub are vprovided withducts 57 leadingoutwardly from. the' interior of the shaft; Other ducts 58 are provided through the shaft within its bearing in a bracket 52 within which a supply chamber 59 is formedf The supply pipe` 27 is connected with this chamber and as in the structure of Figure 2 has an adjust* ing valve 28 and a sight feed 29.

With this device the liquid is .thrown 'outwardly by centrifugal force and if rotated at high .rates will atomi'ze the liquid without thev shell 50. The shell 59 when used acts as in the former structures to break up the liquid into' minute particles by thek liquid carrying ibersrubbing over y its perforated surface.

The arrangement shown in Figure 12 has a rigid pedestal 60 and affcap 61 bolted thereto between which is held the end of a fiat inclined spring 62. The cap' supports a cup 63. whichA has a valve 64 by` means of which liquid may be dropped onto the spring which will run down its inclined surface and be distributed'over it.. 65v is a ratchet wheel the teeth of which engageA the end of the spring. Wien this is rotated' in the direction indicated bythe arrow` the spring will be snapped from one tooth to thenext and this will result vinthrowing off the liquid in 'finely divided particles.4

The action of the devices shown may be 'i regulated by adjusting the supply of liquid, the pressure between the relatively moving .body and member,` the rate of such relative movement, or by .varying the eifective 'area of the relatively moving parts., It isi" also possible to vary'the minuteriess of the particles Lof the spray by using Vmembers having aperturesiof dilferent sizes.

I have illustrated and described several kinds of structures which embody my ini: vention for the purpose'of showing that it yis not limitedtoany specific form of construction, and in fact intend no limitations other than those imposed by the appended claims. y Y

lVhat I claini is: I v1;"An atomizer comprising a liquid holding body and a member Contact therewith,

and means 'for atomizing said liquidby imparting relative rubbing movement between the body and the member'.

2. An atomizer comprising a liquid holding body, a periorate member in contact therewith, means for supplying a liquid to theL body, and means tor imparting a rela.- tive rubbing movement between the body and the member.

3. An atomizer comprising an absorbent body, a perforate lmember in contact with a surface of said body, means for' supplying a liquid to the body, and means Jfor impart-` ing relative rubbing movement between the body and the member.

Ll. An atomizer comprising a body having resilient fibres.a perforate member in contact with a surface of said body, means for supplying a liquid to the body, and means for imparting relative rubbing movement between the body and the member.

5. An atomizer comprising a body of resilient libres, a pertorate member in contact with a surface of said body, adjustable means silient fibres, a perforate member in contact with a surface of said body, adjustable means for varying the pressure of said contact, adjustable means Jfor supplying aliquid to the body, means for imparting relative movement between the body and the member, and means Jfor varying the rate of .said movement.

8. rThe herein described method ot atomizing which consists in holding a liquid in one body and atomizing said liquid by rubbing *another member overa part of said body.

9. The herein described method of atomizing which consists of imparting relative motion between two bodies in const-ant contac-t, at least one of said bodies holding the liquid to be atomized. y

10. The herein described method oi" atomizin'g consist-ing of holding a liquid in one body, pressing said bodyl into contact with another body and rubbing one of said bodies with respect tov the other.

11. The herein described method of atomizing which consists of holding a liquid in one member, maintaining another member inv constant contact therewith and rubbing one of said members on the other.

12. An atomizer comprising a liquid holding body, a member in constant contact therewith and means Jfor atomizing the liquid in said body by relative rubbing movement between said body and Said member.

In witness whereof, I have hereunto set my hand this 25 day of September, 1917.

ERNEST B. FAHNESTOCK. 

